[new design]- This new design provides a flat mating surface for the reed plates, assuring an airtight harp and incorporates all the ergonomic features for Golden Melody. [new features]- This aluminum alloy harmonica blues comb features posts which hold the reed plates in place and support the covers at the point they are most susceptible to crushing, where the cover plate screws fasten together. [shelf]- In addition, there is a shelf at the back of the aluminum alloy harmonica blues comb which fits seamlessly with the back of the cover to prevent it from sliding off the edge of the comb. [aluminum alloy]- This aluminum alloy harmonica blues comb is made of qualified aluminum alloy material, with great surface treatment, wear-resistant and non-deformation. [great accessory]- Great accessory for Golden Melody. colour: gold Material: aluminum alloy Size: 104x31.8mm Package Contents: 1 x Harmonica Blues Comb Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.